a blue to grey green mineral consisting of copper aluminum phosphate
"blue turquoise is valued as a gemstone"
a shade of blue tinged with green
"The sky turned a brilliant turquoise as the sun began to set behind the horizon."
A sky-blue, greenish-blue, or greenish-gray semi-precious gemstone.
"The necklace featured a large turquoise pendant that caught the light beautifully."
In plain English: Turquoise is a bright blue-green color often seen in gemstones and jewelry.
"She wore a bright turquoise necklace that matched her eyes perfectly."
Usage: Use the noun form to refer specifically to the blue-green gemstone used in jewelry and decoration. When describing something made from this material, use it as an adjective before a noun or after "made of."
Made of turquoise (the gemstone).
"The necklace featured a stunning pendant made entirely of polished turquoise."
In plain English: Turquoise describes something that is blue-green, kind of like the color of clear ocean water near the beach.
"She wore a bright turquoise dress to the beach party."
The word comes from Middle French and originally meant "Turkish stone." This name arose because the gemstone was first brought to Europe through Turkey, even though it is actually mined in Persia.